An AI exec is stepping down, citing workload and stress. Here's how 10 business leaders stave off burnout.

Jeff Bezos, Arianna Huffington, and Michael Dell have all shared strategies for keeping burnout at bay.

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Lilian Weng, a cofounder of Thinking Machines Lab and former OpenAI safety executive, announced her resignation from her role on Tuesday.In a note to colleagues, later shared on X, she wrote that seven months of recurring illness, made worse by the relentless pace of startup life, had left her unable to give the job the full effort she felt it demanded."After thinking about it for several months, I ultimately have to admit that the amount of consistent stress and workload have pushed me beyond what my health can sustain physically," Weng wrote. She said she hopes to return in a more scoped role at a calmer workplace.Weng's resignation is a reminder that burnout stalks even the most accomplished operators.Here's how nine other business leaders have said they keep it at bay.Evan Spiegel, Michael Dell, and Jamie Siminoff: build guardrails into the grindSome leaders keep grinding but fence off pieces of their lives.Snap CEO Evan Spiegel, who calls his seven-day-a-week schedule "completely insane," says Sundays are non-negotiable: church, brunch, and an afternoon with his four kids.